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/*
SipHash reference C implementation
Copyright (c) 2012-2016 Jean-Philippe Aumasson
<jeanphilippe.aumasson@gmail.com>
Copyright (c) 2012 Daniel J. Bernstein <djb@cr.yp.to>
To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along
with
this software. If not, see
<http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include "vectors.h"
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#define PRINTHASH(n) \
printf(" { "); \
for (int j = 0; j < n; ++j) { \
printf("0x%02x, ", out[j]); \
} \
printf("},\n");
int siphash(const uint8_t *in, const size_t inlen, const uint8_t *k,
uint8_t *out, const size_t outlen);
int halfsiphash(const uint8_t *in, const size_t inlen, const uint8_t *k,
uint8_t *out, const size_t outlen);
const char *functions[4] = {
"const uint8_t vectors_sip64[64][8] =",
"const uint8_t vectors_sip128[64][16] =",
"const uint8_t vectors_hsip32[64][4] =",
"const uint8_t vectors_hsip64[64][8] =",
};
const char *labels[4] = {
"SipHash 64-bit tag:", "SipHash 128-bit tag:", "HalfSipHash 32-bit tag:",
"HalfSipHash 64-bit tag:",
};
size_t lengths[4] = {8, 16, 4, 8};
int main() {
uint8_t in[64], out[16], k[16];
int i;
int fails = 0;
for (i = 0; i < 16; ++i)
k[i] = i;
for (int version = 0; version < 4; ++version) {
#ifdef GETVECTORS
printf("%s\n{\n", functions[version]);
#else
printf("%s\n", labels[version]);
#endif
for (i = 0; i < 64; ++i) {
in[i] = i;
int len = lengths[version];
if (version < 2)
siphash(in, i, k, out, len);
else
halfsiphash(in, i, k, out, len);
#ifdef GETVECTORS
PRINTHASH(len);
#else
const uint8_t *v = NULL;
switch (version) {
case 0:
v = (uint8_t *)vectors_sip64;
break;
case 1:
v = (uint8_t *)vectors_sip128;
break;
case 2:
v = (uint8_t *)vectors_hsip32;
break;
case 3:
v = (uint8_t *)vectors_hsip64;
break;
default:
break;
}
if (memcmp(out, v + (i * len), len)) {
printf("fail for %d bytes\n", i);
fails++;
}
#endif
}
#ifdef GETVECTORS
printf("};\n");
#else
if (!fails)
printf("OK\n");
#endif
fails = 0;
}
return 0;
}
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